核桃(Juglans regia)又名胡桃,为核桃科核桃属落叶大乔木,高达20—25米。材质坚韧、花纹美观,是制做枪托、飞机、船舶、车厢等良好的材料。核桃果仁含脂肪67—72％,蛋白质15％,醣10％以及钙、磷、铁、钾和多种维生素等,营养非常丰富,是人们喜爱的干果果品,是世界四大干果之一,是我国传统出口商品。发展核桃生产被世界许多国家所重视。 Juglans regia, also known as walnut, walnut deciduous tree walnut, up to 20-25 meters. Tough material, beautiful patterns, making gunstock, aircraft, ships, cars and other good materials. Walnut nuts contain 67-72% fat, protein 15%, 10% sugar and calcium, phosphorus, iron, potassium and vitamins, nutrition is very rich, is the people’s favorite dried fruit, is one of the world’s four dried fruits, Is China’s traditional exports. The development of walnut production is valued by many countries in the world.